Diazo Indigo Blue 4GL extra, by Bayer and Company

Diazo Indigo Blue 4GL extra,, powder in glass bottle,, by Bayer and Company, Elberfeld, Germany. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1860s to 1950s.

Details

Category:
Industrial Chemistry
Object Number:
1986-1045/44
Materials:
dye and glass
Measurements:
142 x 70 mm
type:
dye
credit:
Colour Museum